Timeline for Which kinds of systems are described by a heat equation?
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 9 at 13:44 | vote | accept | Lagrangiano | ||
| Jul 9 at 0:32 | answer | added | CR Drost | timeline score: 2 | |
| Jul 8 at 22:05 | answer | added | Chemomechanics | timeline score: 0 | |
| Jul 8 at 11:01 | comment | added | hyportnex | (1). $c\tfrac{\partial \rho}{\partial t}+ \nabla \cdot \mathbf J=r$ with $c=1, r=0$ representing the supply (source) is true only for a conserved extensive quantity, it is not true for entropy that is para-conserved, and is generated in an irreversible process locally. (2) for heat conduction $\mathbf J = -k(T,x)\nabla T$ where $k(T,x)$ is the temperature and location dependent conductivity (can be a tensor), $c=c(T,x)$ is the mass specific heat capacity, it is not $1$. | |
| Jul 8 at 9:16 | history | asked | Lagrangiano | CC BY-SA 4.0 |